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Finding the Fourth Proportional to 15,476.88, 23,193.44 and 7,691.16

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Solution

The fourth proportional to 15,476.88, 23,193.44 and 7,691.16 is: 11,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.88 : 23,193.44 = 7,691.16 : x
  2. Step 2: Convert to fraction form
    15,476.88/23,193.44 = 7,691.16/x
  3. Step 3: Cross multiply
    15,476.88x = 23,193.44 × 7,691.16
  4. Step 4: Simplify right side
    15,476.88x = 178,384,457.99
  5. Step 5: Solve for x
    x = 178,384,457.99/15,476.88
  6. Step 6: Final answer
    x = 11,525.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.